Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c
new file mode 100644
index 000000000..ea1e1f480
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_fence.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+
+#include <nvif/os.h>
+#include <nvif/class.h>
+#include <nvif/cl0002.h>
+
+#include "nouveau_drv.h"
+#include "nouveau_dma.h"
+#include "nv10_fence.h"
+
+#include "nv50_display.h"
+
+static int
+nv50_fence_context_new(struct nouveau_channel *chan)
+{
+	struct nv10_fence_priv *priv = chan->drm->fence;
+	struct nv10_fence_chan *fctx;
+	struct ttm_resource *reg = priv->bo->bo.resource;
+	u32 start = reg->start * PAGE_SIZE;
+	u32 limit = start + priv->bo->bo.base.size - 1;
+	int ret;
+
+	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
+	if (!fctx)
+		return -ENOMEM;
+
+	nouveau_fence_context_new(chan, &fctx->base);
+	fctx->base.emit = nv10_fence_emit;
+	fctx->base.read = nv10_fence_read;
+	fctx->base.sync = nv17_fence_sync;
+
+	ret = nvif_object_ctor(&chan->user, "fenceCtxDma", NvSema,
+			       NV_DMA_IN_MEMORY,
+			       &(struct nv_dma_v0) {
+					.target = NV_DMA_V0_TARGET_VRAM,
+					.access = NV_DMA_V0_ACCESS_RDWR,
+					.start = start,
+					.limit = limit,
+			       }, sizeof(struct nv_dma_v0),
+			       &fctx->sema);
+	if (ret)
+		nv10_fence_context_del(chan);
+	return ret;
+}
+
+int
+nv50_fence_create(struct nouveau_drm *drm)
+{
+	struct nv10_fence_priv *priv;
+	int ret = 0;
+
+	priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->base.dtor = nv10_fence_destroy;
+	priv->base.resume = nv17_fence_resume;
+	priv->base.context_new = nv50_fence_context_new;
+	priv->base.context_del = nv10_fence_context_del;
+	spin_lock_init(&priv->lock);
+
+	ret = nouveau_bo_new(&drm->client, 4096, 0x1000,
+			     NOUVEAU_GEM_DOMAIN_VRAM,
+			     0, 0x0000, NULL, NULL, &priv->bo);
+	if (!ret) {
+		ret = nouveau_bo_pin(priv->bo, NOUVEAU_GEM_DOMAIN_VRAM, false);
+		if (!ret) {
+			ret = nouveau_bo_map(priv->bo);
+			if (ret)
+				nouveau_bo_unpin(priv->bo);
+		}
+		if (ret)
+			nouveau_bo_ref(NULL, &priv->bo);
+	}
+
+	if (ret) {
+		nv10_fence_destroy(drm);
+		return ret;
+	}
+
+	nouveau_bo_wr32(priv->bo, 0x000, 0x00000000);
+	return ret;
+}